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[POWERPC] Move inline asm eieio to using eieio inline function

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Use the eieio function so we can redefine what eieio does rather
than direct inline asm.  This is part code clean up and partially
because not all PPCs have eieio (book-e has mbar that maps to eieio).

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Kumar Gala
2007-07-09 23:49:09 -05:00
parent cef1a3a5b8
commit 74a0ba61b1
4 changed files with 10 additions and 10 deletions
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12
arch/powerpc/kernel/io.c
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@ -35,7 +35,7 @@ void _insb(const volatile u8 __iomem *port, void *buf, long count)
asm volatile("sync");
do {
tmp = *port;
asm volatile("eieio");
eieio();
*tbuf++ = tmp;
} while (--count != 0);
asm volatile("twi 0,%0,0; isync" : : "r" (tmp));
@ -66,7 +66,7 @@ void _insw_ns(const volatile u16 __iomem *port, void *buf, long count)
asm volatile("sync");
do {
tmp = *port;
asm volatile("eieio");
eieio();
*tbuf++ = tmp;
} while (--count != 0);
asm volatile("twi 0,%0,0; isync" : : "r" (tmp));
@ -97,7 +97,7 @@ void _insl_ns(const volatile u32 __iomem *port, void *buf, long count)
asm volatile("sync");
do {
tmp = *port;
asm volatile("eieio");
eieio();
*tbuf++ = tmp;
} while (--count != 0);
asm volatile("twi 0,%0,0; isync" : : "r" (tmp));
@ -155,21 +155,21 @@ void _memcpy_fromio(void *dest, const volatile void __iomem *src,
__asm__ __volatile__ ("sync" : : : "memory");
while(n && (!IO_CHECK_ALIGN(vsrc, 4) || !IO_CHECK_ALIGN(dest, 4))) {
*((u8 *)dest) = *((volatile u8 *)vsrc);
__asm__ __volatile__ ("eieio" : : : "memory");
eieio();
vsrc++;
dest++;
n--;
}
while(n > 4) {
*((u32 *)dest) = *((volatile u32 *)vsrc);
__asm__ __volatile__ ("eieio" : : : "memory");
eieio();
vsrc += 4;
dest += 4;
n -= 4;
}
while(n) {
*((u8 *)dest) = *((volatile u8 *)vsrc);
__asm__ __volatile__ ("eieio" : : : "memory");
eieio();
vsrc++;
dest++;
n--;